1.
Who invented typewriter?
a.
Marconi
b.
Pascal
c. Sholes
d.
Waterman
2.
Alexander Fleming discovered:
a.
X-Ray
b.
Telegraph
c. Penicillin
d.
Microscope
3.
Television was invented by:
a.
Faraday
b. Baird
c.
Edison
d.
Marconi
4.
Blaise Pascal is associated with
a. Calculating Machine
b.
Computer
c.
Cinema
d.
None of these
5.
Zero was invented by
a. Indians
b.
Egyptians
c.
Greeks
d.
None of these
6.
Who discovered that plants have life?
a.
Robert Koch
b. J.C. Bose
c.
Paul Berg
d.
George Snell
7.
Electromagnetic radiation is emitted by:
a.
X-rays
b. Electrons
c.
Ultrasonic
d.
Protons
8.
The electric filament of the bulbs is made up
of:
a.
Copper
b.
Iron
c.
Aluminum
d. Tungsten
9.
Milk is pasteurized to:
a. Destroy micro-organisms
b.
Enhance taste and flavor
c.
Increase its food value
d.
Detect adulteration
10.
The most commonly used bleaching agent is:
a.
Alcohol
b.
Calcium Chloride
c. Chlorine
d.
Sodium chloride